Andrew Gilliam is a passionate customer experience innovator and change agent, with a background in IT support and customer service. As one of HDI's in-house subject matter experts, he writes and speaks about service management, technical support, and contact center trends and best practices. Andrew was among ICMI's 2019 Movers & Shakers and Top 50 Thought Leaders for multiple years, and he maintains several HDI and CompTIA certifications, including CASP+. Follow @ndytg on Twitter, connect with him on LinkedIn, and discover more at andytg.com.